PartsTable
Technical Data Sheet
7A57S03 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

PLUG,PROTECTIVE,DUST AND MOISTUR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-190-0800, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
7A57S03
NSN: 5340-01-190-0800
FSC: 5340
CAGE: 11599 — TRIUMPH ENGINE CONTROL SYSTEMS LLC (USA)
SPECIFICATIONS
Part Number7A57S03
NSN5340-01-190-0800
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7A57S03 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
PD40Upgraded Successor
successor cross-reference
successor
95207-3Upgraded Successor
successor cross-reference
successor
6685NCM082332Interchangeable
interchangeable cross-reference
interchangeable
3508185Interchangeable
interchangeable cross-reference
interchangeable
5340PL0858781Interchangeable
Same NIIN cross-reference
interchangeable
10163932Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7A57S03?
7A57S03 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace 7A57S03?
There are 6 known substitutes for 7A57S03: PD40, 95207-3, 6685NCM082332 and 3 more. Substitute compatibility should be verified for your specific system.
Is 7A57S03 still available?
7A57S03 is currently cancelled.
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